<template>
  <header class="header">
    <h1>todos</h1>
    <input id="toggle-all" class="toggle-all" type="checkbox" >
    <label for="toggle-all"></label>
    <input
      class="new-todo"
      placeholder="输入任务名称-回车确认"
      autofocus
      @keyup.enter="OnKeyUp"
      v-model.trim="name"
    />
  </header>
</template>

<script>
export default {
  props: ['todosm'],
  data () {
    return {
      name: ''
    }
  },
  created () {

  },
  methods: {
    OnKeyUp () {
      if (this.name === '') {
        alert('请填写完整的信息')
      }
      this.$emit('on-keyup', this.name)
      this.name = ''
    }
  }

}
</script>
